Home / 672,114.20-1,008,171.30-620,792.60

Finding the Fourth Proportional to 672,114.20, 1,008,171.30 and 620,792.60

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Solution

The fourth proportional to 672,114.20, 1,008,171.30 and 620,792.60 is: 931,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,114.20 : 1,008,171.30 = 620,792.60 : x
  2. Step 2: Convert to fraction form
    672,114.20/1,008,171.30 = 620,792.60/x
  3. Step 3: Cross multiply
    672,114.20x = 1,008,171.30 × 620,792.60
  4. Step 4: Simplify right side
    672,114.20x = 625,865,282,572.38
  5. Step 5: Solve for x
    x = 625,865,282,572.38/672,114.20
  6. Step 6: Final answer
    x = 931,188.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.